AS568 EP O-Rings
Standard O-Rings (AS568)
Standard O-Rings are available in 369 sizes as set up by the Aerospace Standard 568 published by the Society of Automotive Engineers. These sizes are designated by dash numbers shown on the 568 DASH Chart and are standardized by imperial dimensions. Standard O-Rings are specified by their inside diameter and cross section width. AS568 is the most commonly used standard in the U.S. for aerospace, automotive and general industrial applications. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. EP is also known as: Eythylene Propylene, EPR, EPDM, EPT, E.
EP is an elastomer which is characterized by wide range of applications and good chemical resistance. Ethylene propylene compounds have good resistance to detergents, alkalis, mild acids, greases, silicone oils, and alcohols.
EP is an elastomer which is characterized by wide range of applications and good chemical resistance. Ethylene propylene compounds have good resistance to detergents, alkalis, mild acids, greases, silicone oils, and alcohols.
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
Cross Section Tolerance +/- |
Inside Diameter Tolerance +/- |
Size Reference - AS568 |
Alternate P/N |
Units of Measure |
Tube Size O.D. |
Call for a Quote |
O-Ring Industries |
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-346 EP-70 |
IntegrationID
N/A 190745 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 104.14 mm4.100 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -346 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-345 EP-70 |
IntegrationID
N/A 190744 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 100.97 mm3.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -345 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-344 EP-70 |
IntegrationID
N/A 190743 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 97.79 mm3.850 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -344 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-343 EP-70 |
IntegrationID
N/A 190742 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 94.62 mm3.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -343 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-342 EP-70 |
IntegrationID
N/A 190741 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 91.44 mm3.600 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -342 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-243 EP-70 |
IntegrationID
N/A 190666 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 104.37 mm4.109 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -243 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-242 EP-70 |
IntegrationID
N/A 190665 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 101.19 mm3.984 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -242 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-241 EP-70 |
IntegrationID
N/A 190664 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 98.02 mm3.859 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -241 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-240 EP-70 |
IntegrationID
N/A 190663 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 94.84 mm3.734 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -240 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-239 EP-70 |
IntegrationID
N/A 190662 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 91.67 mm3.609 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -239 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-155 EP-70 |
IntegrationID
N/A 190600 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in | Durometer N/A 70 | Inside Diameter N/A 101.27 mm3.987 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -155 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-154 EP-70 |
IntegrationID
N/A 190599 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in | Durometer N/A 70 | Inside Diameter N/A 94.92 mm3.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -154 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-045 EP-70 |
IntegrationID
N/A 190541 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in | Durometer N/A 70 | Inside Diameter N/A 101.32 mm3.989 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.027 in0.69 mm | Size Reference - AS568 N/A -045 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
M--044 EP-70 |
IntegrationID
N/A 190540 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in | Durometer N/A 70 | Inside Diameter N/A 94.97 mm3.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.027 in0.69 mm | Size Reference - AS568 N/A -044 | Alternate P/N N/A -044 EP-70 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-417 EP-70 |
IntegrationID
N/A 190812 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in | Durometer N/A 70 | Inside Diameter N/A 88.27 mm3.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -417 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-416 EP-70 |
IntegrationID
N/A 190811 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in | Durometer N/A 70 | Inside Diameter N/A 85.09 mm3.350 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -416 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-415 EP-70 |
IntegrationID
N/A 190810 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in | Durometer N/A 70 | Inside Diameter N/A 81.92 mm3.225 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -415 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-414 EP-70 |
IntegrationID
N/A 190809 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in | Durometer N/A 70 | Inside Diameter N/A 78.74 mm3.100 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -414 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-413 EP-70 |
IntegrationID
N/A 190808 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in | Durometer N/A 70 | Inside Diameter N/A 75.57 mm2.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -413 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-341 EP-70 |
IntegrationID
N/A 190740 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 88.27 mm3.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -341 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-340 EP-70 |
IntegrationID
N/A 190739 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 85.09 mm3.350 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -340 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-339 EP-70 |
IntegrationID
N/A 190738 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 81.92 mm3.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -339 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-338 EP-70 |
IntegrationID
N/A 190737 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 78.74 mm3.100 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -338 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-337 EP-70 |
IntegrationID
N/A 190736 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in | Durometer N/A 70 | Inside Diameter N/A 75.57 mm2.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -337 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |
-238 EP-70 |
IntegrationID
N/A 190661 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in | Durometer N/A 70 | Inside Diameter N/A 88.49 mm3.484 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -238 | Alternate P/N N/A | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. |